Strip and Line versus Blind Sink Shaft Sinking – The Ernest Henry …
The Ernest Henry Mine (EHM) is owned and operated by Xstrata Copper and is located in North-West Queensland, Australia. The mine is currently undergoing a transition from an 11 Mtpa open pit mine to a large sublevel cave underground mine producing 6 Mtpa. Due to a number of factors, including geometry of the pit and crusher …
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Sag Milling | PDF | Mill (Grinding) | Mining
The Ernest Henry SAG mill (11 MW) is currently the largest twin pinion single drive mill installed in Australia. Problems have been experienced with the twin pinion drive at Fimiston and with the ring motor at Cadia. ... The recycle crusher is also used with effect to counter coarse ore emanating from the open circuit secondary crusher. The St ...
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Samir Waters
Ernest Henry Sub-level Cave Mine Lead Geotechnical Engineer on a back-to-back roster with the Senior Geotechnical Engineer; • Leadership …
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Ernest Henry operation
Ernest Henry is an underground mining operation employing sub-level caving ore extraction method. There is also an underground primary crusher and ore handling system. Ore is brought to surface via a 1,000m hoisting shaft with a hoisting capacity of up to 7Mt ore per annum. The operation also has an effective and sophisticated above and below
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Guidelines for orepass design in a sublevel cave mine
Ernest Henry Mining (EHM) is situated 38 km northeast of Cloncurry in the Eastern Fold Belt of the Mount ... 1325 RL and the crusher at 1175 RL. Figure 2 Schematic of EHM orepass system Throughout 2014, two significant events occurred that lead to an investigation of overall design and placement of the orepasses. ...
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Strategic and tactical mine planning considering value chain
Case Study #3 – Ernest Henry Copper-Gold Mine, Australia The Ernest He nry Mine c oncentrator, co mmissioned in August 19 97, with a nominal throug hput rate of 1200 t /h.
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Ernest Henry operation
Key facts. FY21 gold production: 92,397oz. FY21 Copper production: . 19,159t. FY21 AISC: A$(876)/oz1. FY22F gold production: 80,000 – 90,000oz. FY22F AISC: A$(780) – …
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Thunderbox
Ernest Henry Australia, QLD. 2010 – 2014. completed. Cadia East Australia, NSW. 2010 – 2013. completed View all projects. Stay connected and sign up for our latest news ...
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Ernest Henry operation
The Ernest Henry deposit is a breccia pipe plunging approximately 45 degrees to the south-southeast and is bounded between northeast trending ductile shear zones. Ernest Henry is an underground mining operation employing sub-level caving ore extraction methods. There is also an underground primary crusher and ore handling system.
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Ernest Henry mine life extended to 2040 and ore …
Ernest Henry Ore Reserves as at 30 June 2023 ... Of this material, 21.0 Mt is located below the existing crusher station and could utilise the Mine Extension crusher. Evolution Mining Limited 7 Figure 5. Isometric view looking northwest, showing completed mining (grey), Base Ore Reserve ...
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ernest henry crusher
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Managing stress and seismicity at an inclined sublevel cave
The Ernest Henry crusher chamber is a large excavation located at a depth of approximately 1 km. During the pre-feasibility study, a single exploration drill hole was extended below the orebody ...
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12th International Mining Geology Conference 2022
Improving crusher throughput using a problematic ore index based on simple, first principles geology Go to Paper Impacts of thrust faulting at Goonyella Riverside Mine Go to Paper Regional scale structural influence on the Ernest Henry orebody below current mining levels Go to Paper
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Ernest Henry mine life extended to 2040
Extraction at depth will be supported by a new crusher positioned close to the base of the production horizon and connected to the existing hoisting shaft via an extension of the associated conveyor system. ... 0.04 Ernest Henry Ore Reserve Competent Person is Michael Corbett Table 4. Ernest Henry Ore Reserves as at 30 June 2023 – Contained ...
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Geotechnical analysis and ground support selection for the …
Abstract: The Ernest Henry crusher chamber is a large excavation located at a depth of approximately 1 km. During the pre-feasibility study, a single exploration drill hole was …
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Ernest Henry operation
Ernest Henry is an underground mining operation employing sub-level caving ore extraction method. There is also an underground primary crusher and ore handling system. Ore is brought to surface via a 1,000m hoisting shaft with a hoisting capacity in excess of 6Mt ore per annum. The operation also has an efective and sophisticated above and below
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Australian Centre for Geomechanics | Conference Paper: …
Abstract: Oyu Tolgoi (OT), in the South Gobi region of Mongolia, is one of the largest known copper and gold deposits in the world. At peak production, Oyu Tolgoi is expected to produce 500,000 tonnes per annum of copper. The Panel 2 (PC2) crusher is a key component of the OT underground ore handling system, which has a total capacity of 95 …
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Major Mines & Projects | Ernest Henry Mine
Ernest Henry is an underground mining operation employing sub-level caving ore extraction method. There is also an underground primary crusher and ore handling system. Ore is brought to surface via a 1,000m hoisting shaft with a …
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Brad McDermott
Glencore Copper-Ernest Henry Mine. Oct 2014 - Present 9 years 3 months. Cloncurry. Reliability Supervisor- Work consist of Winder,Conveyor,crusher and ore bin maintenance/ongoing projects/ Non Destructive Testing/ cycles & tonnes verse maintenance works. Scheduling of works and maintaining critical spares.
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Major Mines & Projects | Ernest Henry Mine
The Ernest Henry copper-gold operation is a large-scale, long-life asset. On 6 January 2022, we acquired a transformational ownership of Ernest Henry (economic effective date 1 January 2022) resulting in a material uplift in production and cash flow from this asset in FY22. The Mine Extension Pre-feasibility Study from the 1,125RL …
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Ernest Henry
Ernest Henry ( Ownership) Ernest Henry – Mine life extended to at least 2040 The Ernest Henry copper-gold operation is a large-scale, long-life asset located 38km north-east of Cloncurry, Queensland, on the traditional lands of the Mitakoodi People. The operation commenced as an open pit mine in 1998 and transitioned to underground mining in 2011. …
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+LMS: Mt Rawdon
MRO Fatigue Awareness. MRO COVID-19 Infection Control. MRO Geotechnical Hazard Awareness. MRO Delivery Driver Induction. MRO MCC Access. MRO Laboratory Area Induction. MRO Light Vehicle Training Access Permit. MRO Maintenance Workshop Induction. MRO Mill & Crusher Induction.
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Geotechnical analysis and ground support selection for the Ernest Henry …
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Shaft Hoisting Commences at Ernest Henry in Australia | E …
Glencore's AUD589 million investment in Ernest Henry Mining near Cloncurry in northwest Queensland, Australia, to transition from open-pit to underground operations has celebrated a significant milestone. It has commenced operations from a new 1-km-deep hoisting shaft. ... including the underground primary crusher and 1.2 km of below surface ...
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Students broaden their horizons with visit to Ernest Henry …
Fifteen Year 10 students, an entourage of four teachers and a tour director recently had the opportunity to visit Ernest Henry Mining (EHM), located 38 kilometres outside of Cloncurry, to learn about the copper and gold mining and processing operation. The visit formed part of an 11-day Experiential Careers Program Field Trip, hosted by leading ...
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Author: Alexander Campbell
Authors. Title. Year. Campbell, AD. A global review of recovery, dilution and draw control in sublevel caving mines. Caving 2022: Proceedings of the Fifth International Conference on Block and Sublevel Caving, Caving 2022. 2022. Brown, K; Webster, S; Bruning, T; Garcia, O; Campbell, AD. An iterative design and schedule approach to the E22 block ...
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Evolution secures full ownership of Ernest Henry
Ernest Henry commenced as an open pit mine in 1998 and transitioned to underground mining in 2011. The current shaft underground mining operation employs a low-cost and highly efficient sub-level caving ore extraction method. There is also an underground primary crusher and ore handling system. Ore is brought to surface via a …
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Strip and Line versus Blind Sink Shaft Sinking – The …
The Ernest Henry Mine (EHM) is owned and operated by Xstrata Copper and is located in North-West Queensland, Australia. ... Due to a number of factors, including geometry of the pit and crusher depth, the decision has been taken to develop a hoisting shaft rather than inclined conveyors.
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Geotechnical analysis and ground support selection for the Ernest Henry …
The Ernest Henry crusher chamber is a large excavation located at a depth of approximately 1 km. During the pre-feasibility study, a single exploration drill hole was extended below the orebody which identified no adverse ground conditions and the crusher location was set. Additional diamond drilling into the planned crusher chamber location …
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Geotechnical Analysis and Ground Support Selection …
The Ernest Henry crusher chamber is a large excavation located at a depth of approximately 1 km. During the pre-feasibility study, a single exploration drill hole was extended below the...
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